Rhinological Status of Patients with Nasolacrimal Duct Obstruction.

 Studying the state of the nasal cavity and its sinuses and the morphometric parameters of the inferior nasal conchae, as well as a comparative analysis of obtained values in patients with primary (PANDO) and secondary acquired nasolacrimal duct obstruction (SALDO), is relevant.  To study the rhinological status of patients with PANDO) and SALDO).  The present study was based on the results of computed tomography (CT) dacryocystography in patients with PANDO (  = 45) and SALDO due to exposure to radioactive iodine (  = 14).